Home / 140,228,591.76-193,525,470.48-77,503,340.32

Finding the Fourth Proportional to 140,228,591.76, 193,525,470.48 and 77,503,340.32

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Solution

The fourth proportional to 140,228,591.76, 193,525,470.48 and 77,503,340.32 is: 106,960,144.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,228,591.76 : 193,525,470.48 = 77,503,340.32 : x
  2. Step 2: Convert to fraction form
    140,228,591.76/193,525,470.48 = 77,503,340.32/x
  3. Step 3: Cross multiply
    140,228,591.76x = 193,525,470.48 × 77,503,340.32
  4. Step 4: Simplify right side
    140,228,591.76x = 14,998,870,399,199,552
  5. Step 5: Solve for x
    x = 14,998,870,399,199,552/140,228,591.76
  6. Step 6: Final answer
    x = 106,960,144.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.